KB: Network Requirements for Altium Designer Installation and Update
Updated: September 22, 2026
Altium Designer
Altium Designer requires access to specific internet-hosted services for installation, software updates, extension management, certificate validation, and user authentication. If required endpoints are blocked by a firewall, proxy server, or other security control, installation and update operations may fail. This article identifies the destinations, protocols, ports, and services that administrators must allow for Altium Designer installation and update functions.
개요
Altium Designer requires access to specific internet-hosted services for installation, software updates, extension management, certificate validation, and user authentication. If required endpoints are blocked by a firewall, proxy server, or other security control, installation and update operations may fail. This article identifies the destinations, protocols, ports, and services that administrators must allow for Altium Designer installation and update functions.
Solution Details
Note: For an overview of network requirements across Altium products and links to detailed deployment-specific guidance, see KB: Network Requirements for Altium Products.
Required Network Endpoints for Installation and Update
The following endpoints must be accessible for Altium Designer installation, updates, extension management, authentication, and certificate validation. Ensure outbound access is allowed through any firewalls, proxy servers, or network security controls.
| Destination Host | Protocol | Port | Purpose | Used By |
install.altium.com | TCP | 443 | Altium Designer online installer bootstrap and package download entry point | AD Installer |
installation.altium.com | TCP | 443 | Online installer services | AD Installer |
vaultinstallation.api.altium.com | TCP | 443 | Current installation API and package orchestration service used by the online installer | AD Installer |
vaultinstall.altium.com | TCP | 443 | Installer package download host used after installation API redirects | AD Installer |
appregistry.api.altium.com | TCP | 443 | Current application registry API, extension metadata, icon downloads, feature and update metadata | AD Installer + AD Client |
appregistry.live.altium.com | TCP | 443 | Legacy application registry endpoint retained for older versions | Older AD versions |
vaultinstallation.live.altium.com | TCP | 443 | Legacy installer API retained for older versions | Older installers |
auth.altium.comactionwait.altium.com | TCP | 443 | Authentication wait endpoint used during browser-based installer sign-in | AD Installer |
prd-v3.altium.com | TCP | 443 | Product updates | AD Client |
*.godaddy.comcrl.godaddy.comocsp.godaddy.com | TCP | 80 | Certificate validation — GoDaddy-signed certificates. CRL and OCSP endpoints; port 80 is required for HTTP-based CRL distribution. Outbound: Allow. | AD Client + Installer |
amazontrust.comcrl.*.amazontrust.comocsp.*.amazontrust.com | TCP | 80 | Certificate validation — Amazon-issued TLS certificates, including AWS services. CRL and OCSP endpoints; port 80 is required for HTTP-based CRL distribution. Outbound: Allow. See the Amazon Trust repository list for the full endpoint list. | AD Client + Installer |